Question: what is reserve currency that contains the word dollar in their name
Paraphrase: What is the reserve currency in the name of the word dollar?
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q756202 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'dollar')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: United States dollar, United States dollar